def _populate()

in python/prophet/hdays.py [0:0]


    def _populate(self, year):
        # New Year's Day
        name = "New Year's Day"
        self[date(year, 1, 1)] = name

        # Birthday of Prophet, Mawlid in India
        # 12th day of 3rd Islamic month
        name = "Birth of Prophet"
        for offset in range(-1, 2, 1):
            islam_year = from_gregorian(year + offset, 11, 20)[0]
            y, m, d = to_gregorian(islam_year, 3, 12)
            if y == year:
                self[date(y, m, d)] = name

        # Chinese New Year
        name = "Chinese New Year"
        for offset in range(-1, 2, 1):
            ds = Converter.Lunar2Solar(Lunar(year + offset, 1, 1)).to_date()
            if ds.year == year:
                self[ds] = name

        # Tamil New Year
        # Note: it's not necessarily 04/14
        # due to the local calendar
        # other possible dates are 04/13 and 04/15
        name = "Tamil New Year"
        self[date(year, 4, 14)] = name

        # Good Friday
        name = "Good Friday"
        for offset in range(-1, 2, 1):
            ds = easter(year + offset) - rd(days=2)
            if ds.year == year:
                self[ds] = name

        # Labor Day
        name = "Labor Day"
        self[date(year, 5, 1)] = name

        # Buddha's Birthday
        name = "Wesak Day"
        for offset in range(-1, 2, 1):
            ds = Converter.Lunar2Solar(Lunar(year + offset, 4, 15)).to_date()
            if ds.year == year:
                self[ds] = name

        # King's birthday
        # https://www.thestar.com.my/news/nation/2017/04/26/
        # Before 2017: first Saturday of June
        # 2017-2021: last Saturday of July
        name = "King's birthday"
        if year < 2017:
            c = Calendar(firstweekday=MONDAY)
            monthcal = c.monthdatescalendar(year, 6)

            l1 = len(monthcal)
            saturdays = []
            for i in range(l1):
                if monthcal[i][5].month == 6:
                    saturdays.append(monthcal[i][5])
            self[saturdays[0]] = name
        elif 2017 <= year <= 2021:
            c = Calendar(firstweekday=MONDAY)
            monthcal = c.monthdatescalendar(year, 7)

            l1 = len(monthcal)
            saturdays = []
            for i in range(l1):
                if monthcal[i][5].month == 7:
                    saturdays.append(monthcal[i][5])
            self[saturdays[-1]] = name

        # Eid al-Fitr
        name = "Eid al-Fitr"
        for offset in range(-1, 2, 1):
            islam_year = from_gregorian(year + offset, 6, 15)[0]
            y1, m1, d1 = to_gregorian(islam_year, 10, 1)
            y2, m2, d2 = to_gregorian(islam_year, 10, 2)
            if y1 == year:
                self[date(y1, m1, d1)] = name
            if y2 == year:
                self[date(y2, m2, d2)] = name

        # Malaysia Day
        name = "Malaysia Day"
        self[date(year, 9, 16)] = name

        # Feast of the Sacrifice
        name = "Feast of the Sacrifice"
        for offset in range(-1, 2, 1):
            islam_year = from_gregorian(year + offset, 8, 22)[0]
            y, m, d = to_gregorian(islam_year, 12, 10)
            if y == year:
                self[date(y, m, d)] = name

        # First Day of Muharram
        name = "First Day of Muharram"
        for offset in range(-1, 2, 1):
            islam_year = from_gregorian(year + offset, 9, 11)[0]
            y, m, d = to_gregorian(islam_year + 1, 1, 1)
            if y == year:
                self[date(y, m, d)] = name

        # Christmas
        name = "Christmas Day"
        self[date(year, 12, 25)] = name